Not exact matches
This could be occasion to paint a bleak picture: The
current rate of
global diversity loss is estimated to be a 1000 times higher than the
extinction that would occur naturally.
«Until around 100,000 years ago, a dispassionate observer would have no basis for predicting either the
extinction of rival human species or Homo sapiens»
current global ecological dominion,» Shea says.
Researchers writing in the
current issue of Nature report having discovered a strong correlation between
extinction of harlequin frogs, which live in Central and South America, and
global warming.
Climate Change: The Last Great
Global Warming (p 56) The levels of carbon dioxide release and
current speed of warming across the globe could lead to
extinctions on a scale worse than previously thought, an article in this month's Scientific American suggests.
If we remain on the
current course near term total
global extinction is not just a possibility but a mathematical certainty.
What is more, past
global warming has included both minor and mass
extinction events (e.g. PETM, Permian - Triassic
extinction) so even if
current warming is in line with what's repeatedly been experienced in the past, it doesn't follow that either the process of warming or the end result are desireable from the perspective of maintaining an advanced, affluent, complex human society based on creating reliable surpluses of food for 7.5 + billion people.
Geologist Dr. David Deming: «If the
current cooling trend continues, the theory of
global warming faces imminent
extinction» — Deming: «The mean
global temperature has not risen in 17 years and has been slowly falling for approximately the past 10 years» — «Falling temperatures are giving climate alarmists chills»
Try as I might, I can not in my wildest fantasise persuade myself that a
Global Average Temperature of (say) 289.1 K (if such a thing even truly exists) represents our
current Paradise and that any move to (say) 290.7 K will lead us to death destruction and
extinction.
While only a few recent species
extinctions have been attributed to climate change, natural
global climate change at rates slower than
current anthropogenic climate change caused significant ecosystem shifts and species
extinctions in the past millions of years.
Peter Ward on the consequences of this development: «When [the
global ocean
current conveyor belt] stops, we lose oxygen at the bottom, and we start the process toward mass
extinction.»